Datasheet LT1528 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | 3A Low Dropout Regulator for Microprocessor Applications |
| 页数 / 页 | 12 / 2 — ABSOLUTE MAXIMUM RATINGS. (Note 1). PIN CONFIGURATION. ORDER INFORMATION. … |
| 文件格式/大小 | PDF / 170 Kb |
| 文件语言 | 英语 |
ABSOLUTE MAXIMUM RATINGS. (Note 1). PIN CONFIGURATION. ORDER INFORMATION. LEAD FREE FINISH. TAPE AND REEL. PART MARKING
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LT1528
ABSOLUTE MAXIMUM RATINGS (Note 1)
Input Voltage .. ±15V* Output Short-Circuit Duration .. Indefi nite OUTPUT Pin Reverse Current ..10mA Storage Temperature Range ... –65°C to 150°C SENSE Pin Current ...10mA Operating Junction Temperature Range SHDN Pin Input Voltage (Note 2) ..6.5V, –0.3V LT1528C .. 0°C to 125°C SHDN Pin Input Current (Note 2) ...5mA Lead Temperature (Soldering, 10 sec) .. 300°C *For applications requiring input voltage ratings greater than 15V, contact the factory.
PIN CONFIGURATION
TAB IS FRONT VIEW GND FRONT VIEW 5 VIN 5 VIN 4 SHDN 4 SHDN TAB IS 3 GND GND 3 GND 2 SENSE 2 SENSE 1 OUTPUT 1 OUTPUT Q PACKAGE T PACKAGE 5-LEAD PLASTIC DD 5-LEAD PLASTIC TO-220 TJMAX = 125°C, θJA = 30°C/ W TJMAX = 125°C, θJA = 50°C/ W
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LT1528CQ#PBF LT1528CQ#TRPBF LT1528CQ 5-Lead Plastic DD-PAK 0°C to 125°C LT1528CT#PBF LT1528CT#TRPBF LT1528CT 5-Lead Plastic TO-220 0°C to 125°C
LEAD BASED FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LT1528CQ LT1528CQ#TR LT1528CQ 5-Lead Plastic DD-PAK 0°C to 125°C LT1528CT LT1528CT#TR LT1528CT 5-Lead Plastic TO-220 0°C to 125°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifi cations, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TJ = 25°C. PARAMETER CONDITIONS MIN TYP MAX UNITS
Regulated Output Voltages (Notes 3, 4) VIN = 3.8V, IOUT = 1mA 3.250 3.300 3.350 V 4.3V < VIN < 15V, 1mA < IOUT < 3A l 3.200 3.300 3.400 V Line Regulation (Note 4) ΔVIN = 3.8V to 15V, IOUT = 1mA l 1.5 1.0 mV Load Regulation (Note 4) ΔILOAD = 1mA to 3A, VIN = 4.3V 12 20 mV ΔILOAD = 1mA to 3A, VIN = 4.3V l 15 30 mV Dropout Voltage (Note 5) ILOAD = 10mA 70 110 mV ILOAD = 10mA l 150 mV 1528fb 2
ABSOLUTE MAXIMUM RATINGS (Note 1)
Input Voltage .. ±15V* Output Short-Circuit Duration .. Indefi nite OUTPUT Pin Reverse Current ..10mA Storage Temperature Range ... –65°C to 150°C SENSE Pin Current ...10mA Operating Junction Temperature Range SHDN Pin Input Voltage (Note 2) ..6.5V, –0.3V LT1528C .. 0°C to 125°C SHDN Pin Input Current (Note 2) ...5mA Lead Temperature (Soldering, 10 sec) .. 300°C *For applications requiring input voltage ratings greater than 15V, contact the factory.
PIN CONFIGURATION
TAB IS FRONT VIEW GND FRONT VIEW 5 VIN 5 VIN 4 SHDN 4 SHDN TAB IS 3 GND GND 3 GND 2 SENSE 2 SENSE 1 OUTPUT 1 OUTPUT Q PACKAGE T PACKAGE 5-LEAD PLASTIC DD 5-LEAD PLASTIC TO-220 TJMAX = 125°C, θJA = 30°C/ W TJMAX = 125°C, θJA = 50°C/ W
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LT1528CQ#PBF LT1528CQ#TRPBF LT1528CQ 5-Lead Plastic DD-PAK 0°C to 125°C LT1528CT#PBF LT1528CT#TRPBF LT1528CT 5-Lead Plastic TO-220 0°C to 125°C
LEAD BASED FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LT1528CQ LT1528CQ#TR LT1528CQ 5-Lead Plastic DD-PAK 0°C to 125°C LT1528CT LT1528CT#TR LT1528CT 5-Lead Plastic TO-220 0°C to 125°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifi cations, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TJ = 25°C. PARAMETER CONDITIONS MIN TYP MAX UNITS
Regulated Output Voltages (Notes 3, 4) VIN = 3.8V, IOUT = 1mA 3.250 3.300 3.350 V 4.3V < VIN < 15V, 1mA < IOUT < 3A l 3.200 3.300 3.400 V Line Regulation (Note 4) ΔVIN = 3.8V to 15V, IOUT = 1mA l 1.5 1.0 mV Load Regulation (Note 4) ΔILOAD = 1mA to 3A, VIN = 4.3V 12 20 mV ΔILOAD = 1mA to 3A, VIN = 4.3V l 15 30 mV Dropout Voltage (Note 5) ILOAD = 10mA 70 110 mV ILOAD = 10mA l 150 mV 1528fb 2